The Food and Drug Administration has approved ivosidenib () as the first treatment of adult patients with relapsed/refractory acute myeloid leukemia (AML) and an isocitrate dehydrogenase-1 (IDH1) mutation.
More specifically, the oral treatment has been approved for patients whose mutations have been identified by the Abbott RealTime IDH1 assay, a companion diagnostic test.
The most serious adverse events included differentiation syndrome, QTc prolongation, and Guillain-Barré syndrome. Other adverse reactions included fatigue, leukocytosis, arthralgia, diarrhea, dyspnea, edema, and constipation.
Ivosidenib is marketed as Tibsovo by. The RealTime IDH1 Assay is marketed by Abbott Laboratories.